ES8800882A1 - Method and apparatus for making spherical particles, and the particles produced thereby. - Google Patents

Method and apparatus for making spherical particles, and the particles produced thereby.

Info

Publication number
ES8800882A1
ES8800882A1 ES555652A ES555652A ES8800882A1 ES 8800882 A1 ES8800882 A1 ES 8800882A1 ES 555652 A ES555652 A ES 555652A ES 555652 A ES555652 A ES 555652A ES 8800882 A1 ES8800882 A1 ES 8800882A1
Authority
ES
Spain
Prior art keywords
particles
bed
advanced
maintained
atmosphere
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES555652A
Other languages
Spanish (es)
Other versions
ES555652A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Potters Industries LLC
Original Assignee
Potters Industries LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Potters Industries LLC filed Critical Potters Industries LLC
Publication of ES555652A0 publication Critical patent/ES555652A0/en
Publication of ES8800882A1 publication Critical patent/ES8800882A1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/10—Forming beads
    • C03B19/1005—Forming solid beads
    • C03B19/102—Forming solid beads by blowing a gas onto a stream of molten glass or onto particulate materials, e.g. pulverising
    • C03B19/1025—Bead furnaces or burners
    • C03B19/103—Fluidised-bed furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/023—Fired or melted materials
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/28—Other inorganic materials
    • C03C2217/282—Carbides, silicides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • C03C2218/328—Partly or completely removing a coating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/355—Temporary coating

Abstract

A process and apparatus for spheridizing irregularly shaped minute particles, and the spheres produced thereby, in which a thin carbonaceous coating is applied to the particles in a unique manner, and in a preferred embodiment the particles are then advanced through successive fluidizing beds. The first bed has an inert atmosphere and is maintained at an elevated temperature sufficiently high to allow surface tension to shape the particles into spherical form while in a fluidized condition in the first bed. The spherical particles are then advanced through successive additional beds where they are cooled to an intermediate temperature sufficient to solidify the particles, are subjected to an oxidizing atmosphere which completely removes the coating, and are then further cooled while being maintained in a fluidized condition. The inert gaseous atmosphere within the first bed is continuously withdrawn and recycled through the system.
ES555652A 1985-08-07 1986-06-03 Method and apparatus for making spherical particles, and the particles produced thereby. Expired ES8800882A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/763,293 US4643753A (en) 1985-08-07 1985-08-07 Method for making spherical particles

Publications (2)

Publication Number Publication Date
ES555652A0 ES555652A0 (en) 1987-12-01
ES8800882A1 true ES8800882A1 (en) 1987-12-01

Family

ID=25067419

Family Applications (2)

Application Number Title Priority Date Filing Date
ES555652A Expired ES8800882A1 (en) 1985-08-07 1986-06-03 Method and apparatus for making spherical particles, and the particles produced thereby.
ES557465A Expired ES8800067A1 (en) 1985-08-07 1987-03-25 Method and apparatus for making spherical particles, and the particles produced thereby.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES557465A Expired ES8800067A1 (en) 1985-08-07 1987-03-25 Method and apparatus for making spherical particles, and the particles produced thereby.

Country Status (20)

Country Link
US (1) US4643753A (en)
EP (1) EP0231205B1 (en)
JP (1) JP2591612B2 (en)
CN (1) CN86104881B (en)
AT (1) AT400563B (en)
AU (1) AU579019B2 (en)
BR (1) BR8606812A (en)
CA (1) CA1307377C (en)
CH (1) CH664551A5 (en)
CS (1) CS274659B2 (en)
DE (1) DE3690408T1 (en)
DK (1) DK173987D0 (en)
ES (2) ES8800882A1 (en)
GB (1) GB2191188B (en)
IN (1) IN167531B (en)
MX (1) MX161229A (en)
NL (1) NL8620211A (en)
PT (1) PT83157B (en)
SE (1) SE463097B (en)
WO (1) WO1987000827A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
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US4715878A (en) * 1987-03-12 1987-12-29 Gte Products Corporation Process for producing finely divided spherical glass powders
US4769057A (en) * 1987-05-12 1988-09-06 Pittsburgh Corning Corporation Fluidized bed cellulation process
US4961770A (en) * 1987-05-22 1990-10-09 Gte Products Corporation Process for producing spherical glass particles
GB2206576B (en) * 1987-07-09 1991-08-07 Glaverbel Spherulizing furnace and process of manufacturing vitreous beads
US4990371A (en) * 1989-08-01 1991-02-05 Gte Products Corporation Process for coating small solids
US5611833A (en) * 1992-08-26 1997-03-18 Mg Industries Method and apparatus for producing spheroidal glass particles
US5549732B1 (en) * 1994-11-29 2000-08-08 Alcan Intrnat Ltd Production of granules of reactive metals for example magnesium and magnesium alloy
US5951738A (en) * 1995-10-27 1999-09-14 Alcan International Limited Production of granules of reactive metals, for example magnesium and magnesium alloy
FR2759304B1 (en) * 1997-02-11 1999-04-02 Pierre Jules Hinderer PROCESS OF CONTINUOUS TREATMENT OF BULK POWDERY MATERIALS AND INSTALLATION FOR IMPLEMENTING IT
WO2000020345A1 (en) * 1998-10-06 2000-04-13 Pq Holding, Inc. Process and apparatus for making glass beads
DE60129538T2 (en) * 2000-03-14 2008-04-10 James Hardie International Finance B.V. FIBER CEMENT TREE MATERIALS WITH ADDITIVES OF LOW DENSITY
CN1684760A (en) * 2002-08-23 2005-10-19 詹姆士·哈代国际金融公司 Synthetic hollow microspheres
MXPA05003691A (en) 2002-10-07 2005-11-17 James Hardie Int Finance Bv Durable medium-density fibre cement composite.
US20090146108A1 (en) * 2003-08-25 2009-06-11 Amlan Datta Methods and Formulations for Producing Low Density Products
US20090156385A1 (en) * 2003-10-29 2009-06-18 Giang Biscan Manufacture and use of engineered carbide and nitride composites
DE102004003758A1 (en) * 2004-01-23 2005-08-18 Schott Ag Producing sintered spherical glass bodies by sintering and heating on a fluidised bed
US20050199009A1 (en) * 2004-03-15 2005-09-15 Joe Lee Method for recyling glass
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
AU2006216407A1 (en) * 2005-02-24 2006-08-31 James Hardie Technology Limited Alkali resistant glass compositions
AU2006321786B2 (en) * 2005-12-06 2012-05-10 James Hardie Technology Limited Engineered low-density heterogeneous microparticles and methods and formulations for producing the microparticles
NZ571874A (en) 2006-04-12 2010-11-26 Hardie James Technology Ltd A surface sealed reinforced building element
US20070275335A1 (en) * 2006-05-25 2007-11-29 Giang Biscan Furnace for heating particles
US7846994B2 (en) * 2008-12-23 2010-12-07 Potters Industries, Inc. Inorganic microspheres
EP3033168A4 (en) * 2013-08-12 2016-09-21 United Technologies Corp Powder spheroidizing via fluidized bed
WO2015023439A1 (en) 2013-08-12 2015-02-19 United Technologies Corporation High temperature fluidized bed for powder treatment

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1995803A (en) * 1932-11-01 1935-03-26 Research Corp Process of spherulizing fusible pulverizable filler materials
US2044680A (en) * 1934-02-12 1936-06-16 Research Corp Spherulizing fusible pulverizable filler material
US2334578A (en) * 1941-09-19 1943-11-16 Rudolf H Potters Method of and apparatus for producing glass beads
US2460977A (en) * 1945-08-29 1949-02-08 Minnesota Mining & Mfg Carbon powder method of making glass beads
US2461011A (en) * 1945-08-29 1949-02-08 Minnesota Mining & Mfg Carbon powder method of making glass beads
US2619776A (en) * 1948-03-05 1952-12-02 Rudolf H Potters Method and apparatus for producing small diameter glass beads
US2595574A (en) * 1948-05-22 1952-05-06 Babcock & Wilcox Co Solid material heating method and apparatus
US2524613A (en) * 1949-07-09 1950-10-03 Cataphote Corp Method of manufacturing rounded glass particles
BE521556A (en) * 1953-07-18
GB762612A (en) * 1954-04-26 1956-11-28 Metallgesellschaft Ag Method of and apparatus for roasting, drying and cooling foodstuffs
US2911669A (en) * 1955-03-30 1959-11-10 Parker Pen Co Method and apparatus for forming spheres
NL232500A (en) * 1957-10-22
US2945326A (en) * 1958-05-09 1960-07-19 Thomas K Wood Apparatus for manufacturing glass beads
US3148045A (en) * 1958-11-21 1964-09-08 Union Carbide Corp Methods and apparatus for producing sized spherical particles
US3294511A (en) * 1959-04-06 1966-12-27 Selas Corp Of America Apparatus for forming glass beads
DE1141416B (en) * 1960-05-11 1962-12-20 Ver Volkseigener Betr E Glas D Process for making glass microspheres
US3074257A (en) * 1960-05-16 1963-01-22 Cataphote Corp Method and apparatus for making glass beads
US3190737A (en) * 1960-07-07 1965-06-22 Flex O Lite Mfg Corp Glass bead furnace and method of making glass beads
US3151965A (en) * 1961-01-27 1964-10-06 Fort Pitt Bridge Works Method and apparatus for producting glass beads
US3250603A (en) * 1961-03-14 1966-05-10 Charles W Schott Method of treating a preformed glassy object
US3389982A (en) * 1961-11-24 1968-06-25 Union Carbide Corp Method for making high strength spherical glass bodies
US3242032A (en) * 1961-11-24 1966-03-22 Charles W Schott Glass spheres and underground proppants and methods of making the same
NL289029A (en) * 1962-03-27
US3323888A (en) * 1964-03-17 1967-06-06 Cataphote Corp Method for manufacturing glass beads
US3353940A (en) * 1965-05-07 1967-11-21 Selas Corp Of America Method of forming glass beads in a molten metal bath
US3423198A (en) * 1965-06-14 1969-01-21 Permaglass Method for tempering glass utilizing an organic polymer gaseous suspension
GB1169744A (en) * 1966-02-04 1969-11-05 Coal Industry Patents Ltd Improvements in the Thermal Treatment of Briquettes
US3366080A (en) * 1966-12-08 1968-01-30 Dorr Oliver Inc Fluidized bed combustion system
US3560185A (en) * 1968-03-11 1971-02-02 Potter Bros Inc Apparatus for feeding vitreous material
US3560186A (en) * 1968-03-11 1971-02-02 Potters Bros Inc Apparatus for producing glass beads with preheating means
US3597177A (en) * 1968-07-19 1971-08-03 Potters Bros Inc Method of producing glass beads
US3838998A (en) * 1971-01-07 1974-10-01 R Carson Process for forming hollow glass micro-spheres from admixed high and low temperature glass formers
CH544918A (en) * 1971-11-10 1973-11-30 Ciba Geigy Ag Drying process
GB1556051A (en) * 1975-08-29 1979-11-21 Pilkington Brothers Ltd Thermal treatment of glass
GB1568817A (en) * 1975-11-13 1980-06-04 Sovitec Sa Glass-former comp
GB1556052A (en) * 1976-06-10 1979-11-21 Pilkington Brothers Ltd Fluidised bed methods and apparatus for thermally treating glass
GB1567909A (en) * 1977-06-10 1980-05-21 Apollo Heat Ltd Heat treatment apparatus
NZ191307A (en) * 1978-08-17 1981-11-19 Pilkington Brothers Ltd Thermally toughening glass in fluidised bed
ZA815386B (en) * 1980-08-15 1983-03-30 Redland Technology Ltd Combustion chambers
IE51461B1 (en) * 1980-08-15 1986-12-24 Redland Technology Ltd Method and apparatus for the production of glass beads

Also Published As

Publication number Publication date
DK173987A (en) 1987-04-06
PT83157B (en) 1992-10-30
AT400563B (en) 1996-01-25
AU5954386A (en) 1987-03-05
IN167531B (en) 1990-11-10
DE3690408T1 (en) 1987-08-27
EP0231205A1 (en) 1987-08-12
ES555652A0 (en) 1987-12-01
SE8701432D0 (en) 1987-04-06
EP0231205A4 (en) 1987-11-25
SE463097B (en) 1990-10-08
ATA902286A (en) 1995-06-15
CH664551A5 (en) 1988-03-15
DK173987D0 (en) 1987-04-06
CN86104881A (en) 1987-02-04
GB8708161D0 (en) 1987-05-13
ES557465A0 (en) 1987-10-16
PT83157A (en) 1986-09-01
ES8800067A1 (en) 1987-10-16
JP2591612B2 (en) 1997-03-19
CS584086A2 (en) 1990-11-14
BR8606812A (en) 1987-10-13
GB2191188B (en) 1989-09-27
WO1987000827A1 (en) 1987-02-12
US4643753A (en) 1987-02-17
AU579019B2 (en) 1988-11-10
NL8620211A (en) 1987-08-03
CS274659B2 (en) 1991-09-15
CN86104881B (en) 1988-11-16
JPS63500373A (en) 1988-02-12
EP0231205B1 (en) 1990-08-01
CA1307377C (en) 1992-09-15
MX161229A (en) 1990-08-24
GB2191188A (en) 1987-12-09
SE8701432L (en) 1987-04-06

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001